The Gilded Seal

The Black Sun

The Final Reckoning

Catch 22

Azincourt

The Gift

TimeRiders (Book 1)

TimeRiders: Day of the Predator (Book 2)

Drought, Flood, Fire: How Climate Change Contributes to Catastrophes

Under the Influence: Putting Peer Pressure to Work

Bright Shiny Morning: A rip-roaring ride through LA from the author of My Friend Leonard

Under the Influence: Putting Peer Pressure to Work

Digital Humanitarians: How Big Data Is Changing the Face of Humanitarian Response

A Tattoo on my Brain: A Neurologist's Personal Battle against Alzheimer's Disease

TimeRiders: The Eternal War (Book 4)

TimeRiders: City of Shadows (Book 6)

TimeRiders: The Infinity Cage (book 9)

TimeRiders: The Pirate Kings (Book 7)

Command: George S. Patton

TimeRiders: The Mayan Prophecy (Book 8)